Question

What’s the length of Rv

Answer 1

Answer:21

Explanation:

10/(10+15)=14/(14+x)

10/25=14/(14+x)

Cross multiplying we get

10(14+x)=25x14

10(14+x)=350

Divide both sides by 10

10(14+x)/10=350/10

14+x=35

x=35-14

x=21